Top 7 Most Aamazing Facts about SIM Cards

Making of the world’s first sim card was done in 1991 by Munich founders Devrient & Giesecke

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Regular sim card can work for about 12-15 years if any problem occurs.

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If you are using a 3G sim card in a 4G or 5G mobile phone, it may cause many network and connectivity issues to you.

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The loophole of a SIM card is the entering of a virus that damages all the info. like phone numbers and others, without even the user's notice

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Unique MSISDN Number of every SIM Card makes it different and easily found among millions of other sim cards.

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Nowadays, the introduction of 2 basic types of SIM cards is available one is soft SIM and other is e-SIM